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AC3 passthrough support

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Second version after Tanu's feedback

TODO:
    - notify client that volume control is disabled
    - change sink rate in passthrough mode if needed
    - automatic detection of passthrough mode instead of hard
    coded profile names

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@intel.com>
This commit is contained in:
Pierre-Louis Bossart 2010-07-16 16:46:28 -05:00 • committed by Colin Guthrie
parent 021aa306aa
commit 9b6c84ad6e
10 changed files with 124 additions and 6 deletions
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7
src/utils/pacat.c
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@ -659,6 +659,7 @@ static void help(const char *argv0) {
" --process-time-msec=MSEC Request the specified process time per request in msec.\n"
" --property=PROPERTY=VALUE Set the specified property to the specified value.\n"
" --raw Record/play raw PCM data.\n"
" --passthrough passthrough data \n"
" --file-format[=FFORMAT] Record/play formatted PCM data.\n"
" --list-file-formats List available file formats.\n")
, argv0);
@ -680,6 +681,7 @@ enum {
ARG_LATENCY,
ARG_PROCESS_TIME,
ARG_RAW,
ARG_PASSTHROUGH,
ARG_PROPERTY,
ARG_FILE_FORMAT,
ARG_LIST_FILE_FORMATS,
@ -718,6 +720,7 @@ int main(int argc, char *argv[]) {
{"process-time", 1, NULL, ARG_PROCESS_TIME},
{"property", 1, NULL, ARG_PROPERTY},
{"raw", 0, NULL, ARG_RAW},
{"passthrough", 0, NULL, ARG_PASSTHROUGH},
{"file-format", 2, NULL, ARG_FILE_FORMAT},
{"list-file-formats", 0, NULL, ARG_LIST_FILE_FORMATS},
{"latency-msec", 1, NULL, ARG_LATENCY_MSEC},
@ -914,6 +917,10 @@ int main(int argc, char *argv[]) {
raw = TRUE;
break;
case ARG_PASSTHROUGH:
flags |= PA_STREAM_PASSTHROUGH;
break;
case ARG_FILE_FORMAT:
raw = FALSE;